Abstract
A facile one-step method of immobilization of the combination of glucose oxidase(GOD) and catalase(CAT) in mesostructured TiO2 was proposed. Results obtained by transmission electron microspectroscopy and nitrogen adsorption-desorption analysis clearly show that the TiO2 mediated by the combination of GOD and CAT(CGC) has a large surface area and a narrow pore-size distribution. The CGC immobilized on mesostructured TiO2 exhibits direct electrochemistry and good electrocatalytic performance without any electron mediator.
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